SKU: 25023
Quantity selected exceeds current stock
WHAT WE LOVE:
The Ball Fireman Ionosphere chronograph is the result of a specific and documented collaboration: Ball Watch worked with NASA astronaut Owen Garriott — whose career included missions aboard Skylab and the Space Shuttle — to engineer a watch that could perform in the environmental extremes that both professional firefighters and astronauts encounter. Garriott's experience with instrumentation in extreme conditions directly informed the Ionosphere's specification priorities: maximum luminous output without battery dependency, anti-magnetic protection, shock resistance, and legibility under stress.
The white panda dial variant is the most visually striking Ionosphere configuration — the clean white ground with its contrasting silver sub-registers, the "panda" layout of white dial against darker sub-dials reversed to a lighter configuration, and the 19 micro gas tritium tubes mounted across the dial and handset. These tubes, which contain tritium gas sealed in borosilicate glass, glow continuously for up to 25 years with no external activation required — making the Ionosphere's legibility in darkness fundamentally different in character from any Super-LumiNova application. The triple-register chronograph layout — 30-minute counter at 12, small seconds at 9, 12-hour counter at 6 — carries the tritium application on all three sub-dials. The sapphire crystal with anti-reflective coating, the screw-down crown, and 100-metre water resistance complete the specification. This is a limited 600-piece run of the Ionosphere in its white dial configuration.
WHAT’S INSIDE:
ETA Valjoux 7750 — 25 jewels, 28,800 vph, automatic chronograph, day and date at 3 o'clock, approximately 42-hour power reserve.
FIVEFORTYFIVE SIX MONTHS WARRANTY